We know that, (sin2θ + cos2θ) = 1 And, sin(90° - θ) = cosθ Now, 4/3 (sin ² 65 º + sin ² 25 º ) 4/3 (sin ² 65 º + sin ² (90º - 65 º ) 4/3 (sin ² 65 º + cos ² 65 º 4/3 x 1 = 4/3
A train has to cover a distance of 240 km in 20 hours. If it covers half journey in 3/5th time, then the speed of covering the remaining dist...
Speed of a car and a bus is 24 km/h and 14 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
Average speed of ‘A’ during a 24-hour journey is 40 km/h. If he covered the first 150 km of his journey at a speed of 25 km/h, then find the speed a...
Excluding stoppage, the speed of the bus is 66 km/hr, and including stoppage, it is 55 km/hr. How many minutes does the bus stop per minute?
A train travels at a speed of 90 km/h. It leaves station A at 10:00 AM and arrives at station B at 12:00 PM. How far apart are the two stations?
Armaan is traveling at a speed of 40 km/h, and it takes him 90 minutes to reach his office. However, after completing half of the journey, Armaan took a...
Excluding the Stoppages i.e. Non-stop, the speed of a Bullet train is 540 kmph and including the stoppages, it is 450 kmph. Calculate for how many minut...
A train crosses a pole in 12 sec, and a bridge of length 170 m in 36 sec. Then the speed of the train is:
A train runs at a speed of 54 km an hour. What is the speed in metres per second?
A bike completes a journey in 4hrs with a speed of 60 km/hr. At what speed must it travel to complete the journey in 6 hrs?
